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With the advent of an aging society, there are more and more disabled elderly people, and the cost of care is getting higher and higher, causing a great burden to the society. In order to improve the quality of care for the disabled elderly and reduce the cost of care, this paper developed a modular and deformable multifunctional bed and chair integration system, which mainly includes a multifunctional nursing bed system, an omnidirectional wheelchair system and corresponding control systems. This paper starts from the demand analysis, carries out detailed design and integrated verification and debugging for each subsystem, and develops a prototype of the integrated service robot for bed and chair E-Bed. The bed-chair integration robot system E-Bed can effectively meet the actual needs of nursing homes, reduce the labor intensity of nursing staff and improve the self-care ability of the elderly.